package org.liuping.common.utlis;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import org.liuping.common.constant.HttpStatusCode;

import java.util.HashMap;

/**
 * 返回数据
 *
 * @author Mark sunlightcs@gmail.com
 */
public class R extends HashMap<String, Object> {
    private static final long serialVersionUID = 1L;

    public R setData(Object data) {
        put("data",data);
        return this;
    }

    //利用fastjson进行反序列化
    public <T> T getData(TypeReference<T> typeReference) {
        Object data = get("data");	//默认是map
        String jsonString = JSON.toJSONString(data);
        T t = JSON.parseObject(jsonString, typeReference);
        return t;
    }

    //利用fastjson进行反序列化
    public <T> T getData(String key,TypeReference<T> typeReference) {
        Object data = get(key);	//默认是map
        String jsonString = JSON.toJSONString(data);
        T t = JSON.parseObject(jsonString, typeReference);
        return t;
    }

    public R() {
        put("code", HttpStatusCode.OK.getCode());
        put("status", HttpStatusCode.OK.getStatus());
        put("info",HttpStatusCode.OK.getInfo());
    }

    public static R error(int code, String status, String info) {
        R r = new R();
        r.put("code", code);
        r.put("status", status);
        r.put("info", info);
        return r;
    }

    public static R ok() {
        return new R();
    }

    public R put(String key, Object value) {
        super.put(key, value);
        return this;
    }
}
